Reducing the energy demand of corn based fuel ethanol through salt extractive distillation enabled by electrodialysis

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dc.contributor.author Hussain, Mohammed A.M.
dc.contributor.author Anthony, Jennifer L.
dc.contributor.author Pfromm, Peter H.
dc.date.accessioned 2011-03-03T20:35:31Z
dc.date.available 2011-03-03T20:35:31Z
dc.date.issued 2011-03-03
dc.identifier.uri http://hdl.handle.net/2097/7765
dc.description.abstract The thermal energy demand for producing fuel ethanol from the fermentation broth of a contemporary corn-to-fuel ethanol plant in the U.S. is largely satisfied by combustion of fossil fuels, which impacts the possible economical and environmental advantages of bio-ethanol over fossil fuels. To reduce the thermal energy demand for producing fuel ethanol, a process integrating salt extractive distillation – enabled by a new scheme of electrodialysis and spray drying for salt recovery – in the water-ethanol separation train of a contemporary corn-to-fuel ethanol plant is investigated. Process simulation using Aspen Plus® 2006.5, with the ENRTL-RK property method to model the vapor liquid equilibrium of the water-ethanol-salt system, was carried out. The integrated salt extractive distillation process may provide a thermal energy savings of about 30%, when compared with the contemporary process for separating fuel ethanol from the beer column distillate. en_US
dc.relation.uri http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1547-5905 en_US
dc.rights This is a preprint of an article accepted for publication in AIChE Journal copyright 2011 American Institute of Chemical Engineers. en_US
dc.subject Salt extractive distillation en_US
dc.subject Ethanol distillation en_US
dc.subject Fuel ethanol en_US
dc.subject Electrodialytic concentration en_US
dc.subject Bio-ethanol en_US
dc.title Reducing the energy demand of corn based fuel ethanol through salt extractive distillation enabled by electrodialysis en_US
dc.type Article (author version) en_US
dc.date.published 2011 en_US
dc.citation.doi 10.1002/aic.12577 en_US
dc.citation.jtitle AIChE Journal en_US
dc.contributor.authoreid anthonyj en_US
dc.contributor.authoreid pfromm en_US


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